Changed translation model

src/utils/data_processor.py

@@ -86,7 +86,8 @@ class TranslationService:
     
     def __init__(self):
         self.api_token = self._get_hf_token()
-        self.translation_model = "facebook/m2m100_418M"
+        # Using Helsinki-NLP model - better Inference API support for Hindi→English
+        self.translation_model = "Helsinki-NLP/opus-mt-hi-en"
         self.base_url = "https://api-inference.huggingface.co/models"
         logger.info("Initialized HF Inference API for translation")
     
@@ -115,19 +116,14 @@ class TranslationService:
             headers = {"Authorization": f"Bearer {self.api_token}"}
             url = f"{self.base_url}/{self.translation_model}"
             
-            # Format input for M2M100
-            payload = {
-                "inputs": text,
-                "parameters": {
-                    "src_lang": source_lang,
-                    "tgt_lang": target_lang
-                }
-            }
+            # Simplified payload for Helsinki-NLP models
+            payload = {"inputs": text}
             
             response = requests.post(url, headers=headers, json=payload, timeout=30)
             
             if response.status_code == 200:
                 result = response.json()
+                # Helsinki models return: [{"translation_text": "..."}]
                 if isinstance(result, list) and len(result) > 0:
                     return result[0].get("translation_text", text)